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　　1 . The container is invisible until you shine an ultraviolet light on it.

　　那个柜子只有用紫外线照射才可以看见。

　　来自柯林斯例句

　　2 . It's called ultraviolet rays.

　　它被叫做紫外线.

　　来自《简明英汉词典》

　　3 . The ozone layer surrounding the earth protects our skin from being hurt by the ultraviolet rays.

　　环绕地球的臭氧层保护着我们的皮肤免受紫外线的伤害.

　　来自《简明英汉词典》

　　4 . Ozone is best known for its role in screening the Earth from harmful ultraviolet rays from the Sun.

　　臭氧最广为人知的作用是保护地球免受太阳紫外线的伤害。

　　来自辞典例句

　　5 . The sun's ultraviolet rays are responsible for both tanning and burning.

　　阳光中的紫外线是皮肤晒黑和灼伤的根源。

　　来自辞典例句